------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 0 PID: 4895 at fs/buffer.c:1145 __brelse fs/buffer.c:1145 [inline]
WARNING: CPU: 0 PID: 4895 at fs/buffer.c:1145 brelse include/linux/buffer_head.h:326 [inline]
WARNING: CPU: 0 PID: 4895 at fs/buffer.c:1145 __invalidate_bh_lrus fs/buffer.c:1380 [inline]
WARNING: CPU: 0 PID: 4895 at fs/buffer.c:1145 invalidate_bh_lru+0x130/0x224 fs/buffer.c:1393
Modules linked in:
CPU: 0 PID: 4895 Comm: udevd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 624000c5 (nZCv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : __brelse fs/buffer.c:1145 [inline]
pc : brelse include/linux/buffer_head.h:326 [inline]
pc : __invalidate_bh_lrus fs/buffer.c:1380 [inline]
pc : invalidate_bh_lru+0x130/0x224 fs/buffer.c:1393
lr : __brelse fs/buffer.c:1145 [inline]
lr : brelse include/linux/buffer_head.h:326 [inline]
lr : __invalidate_bh_lrus fs/buffer.c:1380 [inline]
lr : invalidate_bh_lru+0x130/0x224 fs/buffer.c:1393
sp : ffff8000212e77e0
x29: ffff8000212e77e0 x28: 1fffe00033ed96e2 x27: 0000000000000001
x26: 00000000ffffffff x25: ffff00019f6cb6d8 x24: 0000000000000007
x23: dfff800000000000 x22: 0000000000000000 x21: ffff0000e07b4060
x20: ffff00019f6cb710 x19: ffff800011b83520 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000082e7b10 x15: 0000000000000000
x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000ff0100
x11: ff00800008191ca8 x10: 0000000000000000 x9 : 4f0118c70ce4bf00
x8 : 4f0118c70ce4bf00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff8000212e7278 x4 : ffff8000151a4820 x3 : ffff80000852e3f8
x2 : 0000000000000001 x1 : 0000000100000002 x0 : 0000000000000000
Call trace:
 __brelse fs/buffer.c:1145 [inline]
 brelse include/linux/buffer_head.h:326 [inline]
 __invalidate_bh_lrus fs/buffer.c:1380 [inline]
 invalidate_bh_lru+0x130/0x224 fs/buffer.c:1393
 smp_call_function_many_cond+0xd84/0x1460 kernel/smp.c:989
 on_each_cpu_cond_mask+0x5c/0xc4 kernel/smp.c:1166
 on_each_cpu_cond include/linux/smp.h:105 [inline]
 invalidate_bh_lrus+0x34/0x40 fs/buffer.c:1412
 kill_bdev block/bdev.c:75 [inline]
 blkdev_flush_mapping+0x128/0x280 block/bdev.c:664
 blkdev_put_whole block/bdev.c:695 [inline]
 blkdev_put+0x4a8/0x6c8 block/bdev.c:955
 blkdev_close+0x50/0x90 block/fops.c:514
 __fput+0x1bc/0x7c0 fs/file_table.c:320
 ____fput+0x20/0x30 fs/file_table.c:348
 task_work_run+0x1ec/0x270 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x1f70/0x2b0c arch/arm64/kernel/signal.c:1137
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x98/0x138 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 92296
hardirqs last  enabled at (92295): [<ffff8000088d764c>] kasan_quarantine_put+0xc4/0x204 mm/kasan/quarantine.c:242
hardirqs last disabled at (92296): [<ffff8000083ff854>] smp_call_function_many_cond+0xd78/0x1460 kernel/smp.c:988
softirqs last  enabled at (92054): [<ffff80000803092c>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (92052): [<ffff8000080308f8>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---